0.80  250.
 0.65  500.
 0.54  750.
 0.55 1000.
 0.52 1250.
 0.49 1500.
 0.49 1750.
 0.49 2000.
 0.42 2250.
 0.40 2500.
 0.36 2750.
 0.31 3000.
 0.33 3250.
 0.31 3500.
 0.31 3600.
 0.32 3700.
 0.33 3800.
 0.40 3900.
 0.39 4000.
 0.41 4100.
 0.40 4200.
 0.40 4300.
 0.45 4400.
 0.50 4490.